MySQL连接数据库
#!/usr/bin/python
# -*- coding: UTF-8 -*-
import pymysql
# 打开数据库连接
db = pymysql.connect("111.230.43.239","root","password","RUNBOO" )# 使用cursor()方法获取操作游标
cursor = db.cursor()# 使用execute方法执行SQL语句
cursor.execute("SELECT VERSION()")# 使用 fetchone() 方法获取一条数据
data = cursor.fetchone()print ("Database version : %s " % data)# 关闭数据库连接
db.close()
报错:pymysql.err.InternalError: (1130, u”Host ‘218.20.44.100’ is not allowed to connect to this MySql server,MySQL不允许从远程访问
解决步骤:
(1)添加用户允许从任何主机连接到mysql服务器
例如,你想myuser使用mypassword从任何主机连接到mysql服务器的话。
GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'%' IDENTIFIED BY 'mypassword' WITH GRANT OPTION;
FLUSH PRIVILEGES;
如果你想允许用户root从ip为192.168.1.1的主机连接到mysql服务器,并使用password作为密码
GRANT ALL PRIVILEGES ON *.* TO 'root'@'192.168.1.1' IDENTIFIED BY 'password' WITH GRANT OPTION;
FLUSH PRIVILEGES;
如果你想允许用户root从ip为192.168.1.1的主机连接到mysql服务器的dk数据库,并使用password作为密码
GRANT ALL PRIVILEGES ON dk.* TO 'root'@'192.168.1.1' IDENTIFIED BY 'password' WITH GRANT OPTION;
FLUSH PRIVILEGES;